00331nam a2200121 a 450000500170000008200170001710000180003410000250005224500420007726000260011930000220014563000420016720251203091303.0  a620.004bSAM  aSambath, Sd_  aDhande, S.G. Ed.,d_  aComputer aided design and manufacture  aChennaibCOSTEDc1987  a152 p.c22cm.bPB  aComputer aided design and manufacture